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A single phase bridge rectifier supplies 24 Vdc to a load resistance of 0.4 ohms and an inductance of 3 mH. The available ac supply is 240 V at 50 Hz. The forward voltage drop of each diode is 1 V while a diode conducts. If the load current is not smooth and ripple free and the load requires that its ripple current due to the dominant load ripple voltage not to exceed 5% of the full load DC current, find the additional inductance that must be placed in series with the load
Consider the best possible heat engine working in air at 25°C. The engine continuously converts heat from a source at 300°C to work, and heat is continuously transferred into the engine at a rate of 100 kJ/s.
design must mention the values of the resistors, capacitors, average and maximum current through the diodes, transformer turn ratio and the current carrying capacities of the transformer coils. Present these values neatly in a tabular form.
A coil of 10H inductance and 5Ω resistance is connected in parallel with a 20Ω resistor across a 100-V DC supply which is suddenly disconnected. Find The voltage across the 20Ω resistor initially and after 0.3 sec.
a high power FM station of frequency 96.9 MHz has an antenna height of 1200 feet. If the signal is to be recieved 60 miles from the station, how high does the listener need to mount their anntena in this fringe area
Convert function H(A, B, C) = (AB + C)(AC + B) into both the sum-of-products and product-of-sums forms. Obtain the truth table and express the function in both canonical forms: sum-of-minterms and product-of-Maxterms.
A large room is illuminated by twenty 150-watt lamps and thirty 100-watt lamps. If the circuit voltage is 116, calculate the total current.
when an AC source is connected accross a 12.0 resistor,the rms current in the resistor is 8.00 A find (a) the rms voltage accross the resistor,(b) the peak voltage of the source , (c) the maximum current in the resistor
what is an example of a good that you have found remains unchanged whether the price increases or
A CS amplifier using an NMOS with gm = 3.8 mA/V is found to have an overall voltage gain of -16 V/V. What value should a resistance RS inserted in the source lead have to reduce the overall voltage gain to -8 V/V
If an object is located at 0.5 times the focal length of a thin lens, calculate the location and lateral magnification of the image. Assume that both sides of the lens are filled with air, that the index of refraction of the lens is n=1.5
An LVDT is used in an accelerometer to measure seismic-mass displacement. The LvDT and signal-conditioning output is 0.31 mV/mm with a +/-2 cm maximum core displacement.
A mealy sequential circuit has one input (x) and one output (z). Z = 1 if and only if the most recent input, combined with the preceding 3 inputs, was not a valid BCD encoding of a decimal digit; otherwise, z = 0.
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